[3885:3885:0124/103651.261719:ERROR:sandbox_linux.cc(343)] InitializeSandbox() called with multiple threads in process gpu-process. Received signal 11 SEGV_MAPERR 000000000000 #0 0x5577d09bf28e <unknown> #1 0x7efe9e631bd0 <unknown> #2 0x5577d42d6fce <unknown> #3 0x5577d01972c7 <unknown> #4 0x5577d0a1c76c <unknown> #5 0x5577d0a4d049 <unknown> #6 0x5577d09df628 <unknown> #7 0x5577d09e125d <unknown> #8 0x5577d09e1705 <unknown> #9 0x5577d09e2529 <unknown> #10 0x5577d09de785 <unknown> #11 0x5577d0a03a7a <unknown> #12 0x5577d0a20906 <unknown> #13 0x5577d0a1c612 <unknown> #14 0x7efe9e62840c start_thread #15 0x7efe9575613d clone r8: 0000000000000081 r9: 00007efe70007c60 r10: 001415b0e5fde9ff r11: 0000000000000118 r12: 00007efe6c01ada0 r13: 00007efe70006de0 r14: 00005577d7890b90 r15: 00005577d50745c2 di: 00007efe70010a80 si: 00007efe70010a80 bp: 0000000000000000 bx: 00007efe69df7350 dx: 0000000000000001 ax: 0000000000000000 cx: 0000000000000078 sp: 00007efe69df7110 ip: 00005577d42d6fce efl: 0000000000010202 cgf: 002b000000000033 erf: 0000000000000004 trp: 000000000000000e msk: 0000000000000000 cr2: 0000000000000000 [end of stack trace]
Compilation chromium with tcmalloc and system-ffmpeg resolve this issue.
This bug should be reopened because changing USE flags isn't real fix. ebuild has to be modified. I can see same/similar crash with 56.0.2924.76 and USE="-system-ffmpeg tcmalloc", but not with USE="system-ffmpeg tcmalloc"
